Ambari2.7.1安装

vim /etc/hostname   # 该命令需要重启后生效# 还有另外一种方式，执行该命令后立即生效，只不过需要重启Xshell连接hostnamectl set-hostname node1.ambari.com

vim /etc/hosts

# 查看防火墙状态systemctl status firewalld# 查看开机是否启动防火墙服务systemctl is-enabled firewalld# 关闭防火墙systemctl stop firewalldsystemctl disable firewalld# 再次查看防火墙状态和开机防火墙是否启动systemctl status firewalldsystemctl is-enabled firewalld

# 永久性关闭selinux（重启服务器生效）sed -i 's/SELINUX=enforcing/SELINUX =disabled/' /etc/selinux/config# 临时关闭selinux（立即生效，重启服务器失效）setenforce 0# 查看selinux状态getenforce# disabled为永久关闭，permissive为临时关闭，enforcing为开启

## 生成密钥对ssh-keygen -t rsa   ## 一路回车即可## 进入.ssh目录，如果目录不存在则创建cd ~/.ssh## 将公钥导入至authorized_keyscat id_rsa.pub >> authorized_keys## 修改文件权限chmod 700 ~/.sshchmod 600 authorized_keys

## 配置主从互相免密登陆[root@node1 ~]# cat ~/.ssh/id_rsa.pub | ssh root@node2.ambari.com 'cat - >> ~/.ssh/authorized_keys'[root@node1 ~]# cat ~/.ssh/id_rsa.pub | ssh root@node3.ambari.com 'cat - >> ~/.ssh/authorized_keys'ssh node2.ambari.com ssh node3.ambari.com # 验证主机点是否可以免密登陆从节点，执行exit命令退出即可。

# 编辑/etc/profile,文末插入以下内容：# set javaexport JAVA_HOME=/usr/java/jdk1.8.0_151export PATH=$JAVA_HOME/bin:$PATH

rpm -qa | grep mysql# 删除相关rpm包rpm -ev <rpm包名> --nodeps

# 下载mysql5.7的rpm包wget https://dev.mysql.com/get/mysql57-community-release-el7-11.noarch.rpm# 安装第一步下载的rpm文件，安装成功后/etc/yum.repos.d/目录下会增加两个文件yum -y install mysql57-community-release-el7-11.noarch.rpm# 查看mysql57的安装源是否可用，如不可用请自行修改配置文件（/etc/yum.repos.d/mysql-community.repo）使mysql57下面的enable=1# 若有mysql其它版本的安装源可用，也请自行修改配置文件使其enable=0yum repolist enabled | grep mysql

yum install mysql-community-server

# 启动mysql服务service mysqld start# 查看root密码grep "password" /var/log/mysqld.log# 登陆mysqlmysql -u root -pEnter password: # 为了可以设置简单密码set global validate_password_policy=0;set global validate_password_length=4;# 立即修改密码，执行其他操作报错：SET PASSWORD FOR 'root'@'localhost' = PASSWORD('newpass');# 我们创建密码为root123

mysql -uroot -proot123CREATE USER 'ambari'@'%' IDENTIFIED BY 'ambari';GRANT ALL PRIVILEGES ON *.* TO 'ambari'@'%';CREATE USER 'ambari'@'localhost' IDENTIFIED BY 'ambari';GRANT ALL PRIVILEGES ON *.* TO 'ambari'@'localhost';CREATE USER 'ambari'@'node1.ambari.com' IDENTIFIED BY 'ambari';GRANT ALL PRIVILEGES ON *.* TO 'ambari'@'node1.ambari.com';  //本地主机名FLUSH PRIVILEGES;

Delete FROM user Where User='your_user' and Host='your_host';FLUSH PRIVILEGES;

mysql -uambari -pambariCREATE DATABASE ambari;exit;

#!/usr/bin/env bashhost_list=$(sed -n '3,$p' /etc/hosts | awk '{print $1}')master_hostip=$(sed -n 3p /etc/hosts | awk '{print $1}')ips_no_host=$(sed -n '4,$p' /etc/hosts | awk '{print $1}')# 遍历所有节点for host in $host_listdo    # 设置时区    ssh $host ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime    # 同步硬件时间    ssh $host hwclock --systohc    # 开机自启动    ssh $host echo service ntpd restart >> /etc/rc.d/rc.local    ssh $host echo "hwclock --systohc" >> /etc/rc.d/rc.local    ssh $host chmod +x /etc/rc.d/rc.local    # 安装ntp服务    ssh $host yum install -y -q ntpdone# 主节点操作，修改配置文件sed -i -e '21 s/^/# /' -i -e '22 s/^/# /' -i -e '23 s/^/# /' -i -e '24 s/^/# /' /etc/ntp.confecho server 127.127.1.0 >> /etc/ntp.confecho fudge 127.127.1.0 stratum 10 >> /etc/ntp.confservice ntpd start# 从节点操作，开启ntp服务，使用ntpdate命令进行时钟同步for slave in $ips_no_hostdo    ssh $slave service ntpd start    ssh $slave ntpdate -u $master_hostipdone

# 安装httpdyum -y install httpd.x86_64systemctl enable httpd.servicesystemctl start httpd.service# 安装wgetyum -y install wget

# 将tar包下载到/var/www/htmlcd /var/www/htmlwget http://public-repo-1.hortonworks.com/ambari/centos7/2.x/updates/2.7.1.0/ambari-2.7.1.0-centos7.tar.gzwget http://public-repo-1.hortonworks.com/HDP/centos7/3.x/updates/3.0.1.0/HDP-3.0.1.0-centos7-rpm.tar.gzwget http://public-repo-1.hortonworks.com/HDP-UTILS-1.1.0.22/repos/centos7/HDP-UTILS-1.1.0.22-centos7.tar.gz# 解压上面三个包tar zxvf ambari-2.7.1.0-centos7.tar.gztar zxvf HDP-3.0.1.0-centos7-rpm.tar.gztar zxvf HDP-UTILS-1.1.0.22-centos7.tar.gz

[ambari]name=ambaribaseurl=http://node1.ambari.com/CentOS-7/ambari-2.6.0.0enabled=1gpgcheck=0

[HDP]name=HDPbaseurl=http://node1.ambari.com/CentOS-7/HDPpath=/enabled=1gpgcheck=0

[HDP-UTILS]name=HDP-UTILSbaseurl=http://liuyzh1.xdata/CentOS-7/HDP-UTILSpath=/enabled=1gpgcheck=0

yum -y install ambari-server

echo server.jdbc.driver.path=/usr/share/java/mysql-connector-java.jar >> /etc/ambari-server/conf/ambari.properties

ambari-server setup --jdbc-db=mysql --jdbc-driver=/usr/share/java/mysql-connector-java.jar

mysql -uambari -pambariuse ambari;source /var/lib/ambari-server/resources/Ambari-DDL-MySQL-CREATE.sql

ambari-server start